Brittany Pettersen

A dispute has emerged among Colorado Republicans about how much to rely on a giant database of voter information developed over many years with billions of dollars by the Koch brothers, the GOP’s mega donors.

State senate candidate Tony Sanchez’s decision to send a negative mailer, widely seen as off-the-charts nasty, appears to have backfired. Donations to his opponent, Rep. Brittany Pettersen (D-Lakewood), have skyrocketed since the postcard appeared in voters’ mailboxes.

Colorado Republicans are attacking state lawmakers who supported a proposed law allowing workers to take paid “family and medical leave” to care for a new child or a sick family member– or when they’re ill themselves.